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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017 | Dec. 31, 2016
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] |  |  |  |  |  |
Net (loss) income | $ 30.6 | $ 551.5 | $ (50.9) | $ 581.1 |  |
Charges (credits) to reconcile net income to net cash used for operations: |  |  |  |  |  |
Net realized and unrealized investment gains | (66.1) | (32.5) | (22.9) | (102.5) |  |
Deferred income benefit |  |  | (4.7) | (6.9) |  |
Net income from discontinued operations | 0.0 | 15.2 | 0.0 | (20.5) |  |
Net loss (gain) from sale of discontinued operations, net of tax |  | (554.3) | 17.2 | (552.7) |  |
Amortization of restricted share and option awards |  |  | 9.7 | 10.1 |  |
Amortization and depreciation |  |  | 18.4 | 15.8 |  |
Other operating items: |  |  |  |  |  |
Net change in unearned insurance premiums |  |  | 19.4 | 36.2 |  |
Net change in deferred acquisition costs |  |  | (2.8) | (3.5) |  |
Net change in restricted cash |  |  | (12.1) | 0.0 |  |
Net change in other assets and liabilities, net |  |  | (1.8) | (21.5) |  |
Net cash used for operations - continuing operations |  |  | (30.5) | (64.4) |  |
Net cash (used for) provided from operations |  |  | (30.5) | 92.6 |  |
Cash flows from investing activities: |  |  |  |  |  |
Net change in short-term investments |  |  | (138.5) | (612.2) |  |
Sales of fixed maturity and convertible investments |  |  | 1,768.5 | 1,631.2 |  |
Maturities, calls and paydowns of fixed maturity and convertible investments |  |  | 124.4 | 178.6 |  |
Sales of common equity securities |  |  | 129.8 | 407.8 |  |
Distributions and redemptions of other long-term investments and settlements of forward contracts |  |  | (5.5) | 1.3 |  |
Sales of unconsolidated affiliates and consolidated subsidiaries, net of cash sold |  |  | 0.0 | 1,131.0 |  |
Net settlement of investment cash flows and contributions with discontinued operations |  |  | 0.0 | 167.7 |  |
Purchases of other long-term investments |  |  | (65.9) | (67.7) |  |
Purchases of common equity securities |  |  | (253.0) | (818.6) |  |
Purchases of fixed maturity and convertible investments |  |  | (833.1) | (1,189.8) |  |
Purchases of consolidated subsidiaries, net of cash acquired of $71.9 |  |  | (252.1) | 0.0 |  |
Other investing activities, net |  |  | 33.8 | (134.6) |  |
Net cash provided from investing activities - continuing operations |  |  | 508.4 | 694.7 |  |
Net cash provided from investing activities |  |  | 508.4 | 697.7 |  |
Cash flows from financing activities: |  |  |  |  |  |
Draw down of debt and revolving line of credit |  |  | 50.9 | 361.0 |  |
Repayment of debt and revolving line of credit |  |  | (11.2) | (364.6) |  |
Cash dividends paid to the Company’s common shareholders |  |  | (3.8) | (4.6) |  |
Common shares repurchased |  |  | (504.7) | (714.6) |  |
Distribution to non-controlling interest shareholders |  |  | (4.6) | (0.9) |  |
Contributions from discontinued operations |  |  | 0.0 | 45.2 |  |
Payments on contingent consideration earnout liability |  |  | (2.6) | 0.0 |  |
Capital contributions from BAM members |  |  | 26.9 | 25.7 |  |
Acquisition of additional subsidiary shares from non-controlling interest |  |  | (1.7) | (0.7) |  |
Fidus Re premium payment |  |  | (3.0) | 0.0 |  |
Restricted share statutory withholding tax payments |  |  | (8.4) | (9.3) |  |
Net cash used for financing activities - continuing operations |  |  | (462.2) | (662.8) |  |
Net cash used for financing activities |  |  | (462.2) | (724.7) |  |
Effect of exchange rate changes on cash |  |  | (0.6) | 0.0 |  |
Net change in cash during the period - continuing operations |  |  | 15.7 | (32.5) |  |
Cash balances at beginning of period |  |  | 97.1 | 80.2 | $ 80.2 |
Add: cash held for sale, excluding discontinued operations, at the beginning of period | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | $ 0.9
Less: cash held for sale, excluding discontinued operations, at the end of period | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Cash balances at end of period | 112.2 | 48.6 | 112.2 | 48.6 | 97.1 |
Supplemental cash flows information: |  |  |  |  |  |
Interest paid |  |  | (5.3) | (0.5) |  |
Net income tax refunds |  |  | (0.5) | 0.0 |  |
Discontinued Operations |  |  |  |  |  |
Other operating items: |  |  |  |  |  |
Net cash (used for) provided from operations - discontinued operations |  |  | 0.0 | 157.0 |  |
Cash flows from investing activities: |  |  |  |  |  |
Net cash provided from investing activities - discontinued operations |  |  | 0.0 | 3.0 |  |
Cash flows from financing activities: |  |  |  |  |  |
Net cash used for financing activities - discontinued operations |  |  | 0.0 | (61.9) |  |
Cash balances at beginning of period |  |  | 0.0 | 70.5 | 70.5 |
Cash balances at end of period | $ 0.0 | $ 71.3 | 0.0 | 71.3 | $ 0.0 |
Supplemental cash flows information: |  |  |  |  |  |
Net income tax refunds |  |  | $ 0.0 | $ 0.0 |  |

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- Definition Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3536-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3536-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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- Definition The net amount paid (received) by the reporting entity through acquisition or sale and maturities of short-term investments with an original maturity that is three months or less which qualify for treatment as an investing activity based on management's intention and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3098-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition Cash outflow to owners or shareholders, excluding ordinary dividends. Includes special dividends. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the purchase of noncontrolling interest during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or sale of an entity that is related to it but not strictly controlled. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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